/* ========================================
   BLACKJACK CALCULATOR - EASY CUSTOMIZATION
   Edit the variables below to change sizes, colors, spacing
   ======================================== */

:root {
    /* === COLORS === */
    --bg-primary: #111827;          /* Main dark background */
    --bg-secondary: #1f2937;        /* Card/panel backgrounds */
    --bg-tertiary: #374151;         /* Buttons, lighter panels */
    
    --text-primary: #ffffff;        /* Main text color */
    --text-secondary: #9ca3af;      /* Labels, muted text */
    --text-light: #e5e7eb;          /* Slightly dimmed text */
    
    --accent-green: #22c55e;        /* Positive EV, success */
    --accent-red: #ef4444;          /* Negative, errors */
    --accent-blue: #3b82f6;         /* Info, actions */
    --accent-yellow: #facc15;       /* Warnings */
    
    --border-color: #374151;        /* Default borders */
    --border-dark: #111827;         /* Dark borders */
    --border-light: #4b5563;        /* Light borders */
    
    /* === CARD BUTTONS === */
    --card-btn-size: 80px;          /* Button min height (square with aspect-ratio) */
    --card-btn-font: 1.5rem;        /* Button text size */
    --card-btn-gap: 0.75rem;        /* Gap between buttons */
    --card-btn-bg: #374151;         /* Default button color */
    --card-btn-border: #4b5563;     /* Button border color */
    
    --card-btn-face-bg: #1e40af;    /* Face cards (J,Q,K) background */
    --card-btn-ace-bg: #b91c1c;     /* Ace card background */
    
    /* Hi-Lo Count Color Coding */
    --card-btn-low-bg: #15803d;     /* Low cards (2-6) - increase count, green */
    --card-btn-neutral-bg: #374151; /* Neutral cards (7-9) - no count change, gray */
    --card-btn-high-bg: #b91c1c;    /* High cards (10,J,Q,K,A) - decrease count, red */
    
    /* === STATISTICS === */
    --stat-card-padding: 1rem;      /* Padding inside stat cards */
    --stat-label-size: 0.75rem;     /* Stat label text size */
    --stat-value-size: 1.5rem;      /* Stat value text size */
    
    /* === STRATEGY TABLES === */
    --table-font: 0.7rem;           /* Table cell text size */
    --table-header-font: 0.65rem;   /* Table header text size */
    --table-padding: 0.35rem 0.1rem; /* Cell padding (vertical horizontal) */
    --table-first-col-width: 18%;   /* Width of "Hand" column */
    --table-border: 2px solid #1f2937; /* Table outer border */
    
    /* === SPACING === */
    --spacing-xs: 0.25rem;          /* 4px */
    --spacing-sm: 0.5rem;           /* 8px */
    --spacing-md: 0.75rem;          /* 12px */
    --spacing-lg: 1rem;             /* 16px */
}


/* ========================================
   CARD INPUT BUTTONS
   Edit: --card-btn-size, --card-btn-font, --card-btn-gap
   ======================================== */

.card-btn {
    background-color: var(--card-btn-bg);
    color: var(--text-primary);
    font-weight: bold;
    padding: 0;
    border-radius: 0.5rem;
    transition: all 0.2s;
    font-size: var(--card-btn-font);
    border: 2px solid var(--card-btn-border);
    cursor: pointer;
    width: 100%;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: var(--card-btn-size);
}

.card-btn:hover {
    background-color: #4b5563;
    border-color: #6b7280;
}

.card-btn:active {
    transform: scale(0.95);
}

.card-btn-face {
    background-color: var(--card-btn-face-bg);
    border-color: var(--card-btn-face-bg);
}

.card-btn-face:hover {
    background-color: #1e3a8a;
    border-color: #1e3a8a;
}

.card-btn-ace {
    background-color: var(--card-btn-ace-bg);
    border-color: var(--card-btn-ace-bg);
}

.card-btn-ace:hover {
    background-color: #991b1b;
    border-color: #991b1b;
}

/* Hi-Lo Count Color Coding */
.card-btn-low {
    background-color: var(--card-btn-low-bg);
    border-color: #166534;
}

.card-btn-low:hover {
    background-color: #166534;
    border-color: #14532d;
}

.card-btn-neutral {
    background-color: var(--card-btn-neutral-bg);
    border-color: var(--card-btn-border);
}

.card-btn-neutral:hover {
    background-color: #4b5563;
    border-color: #6b7280;
}

.card-btn-high {
    background-color: var(--card-btn-high-bg);
    border-color: #991b1b;
}

.card-btn-high:hover {
    background-color: #991b1b;
    border-color: #7f1d1d;
}


/* ========================================
   STATISTICS CARDS
   Edit: --stat-card-padding, --stat-value-size
   ======================================== */

.stat-card {
    background-color: var(--bg-tertiary);
    border-radius: 0.5rem;
    padding: var(--stat-card-padding);
    text-align: center;
}

.stat-label {
    font-size: var(--stat-label-size);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-size: var(--stat-value-size);
    font-weight: bold;
}

/* EV color coding - green when positive */
.stat-value.positive {
    color: var(--accent-green);
    font-weight: 900;
}

.stat-value.negative {
    color: #f87171;
}

.stat-value.neutral {
    color: #d1d5db;
}


/* ========================================
   RECENT CARDS CHIPS
   ======================================== */

.recent-card {
    display: inline-block;
    background-color: #4b5563;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0.25rem;
}

.recent-card.low-card {
    background-color: #15803d;
}

.recent-card.high-card {
    background-color: #b91c1c;
}


/* ========================================
   CARD DISTRIBUTION DISPLAY
   Shows remaining cards inline (e.g., "2 24")
   ======================================== */

.card-dist-bar {
    display: inline-flex;
    align-items: baseline;
    margin: 0 var(--spacing-md) var(--spacing-sm) 0;
}

.card-dist-label {
    font-size: 0.875rem;
    font-weight: 600;
    margin-right: var(--spacing-xs);
    color: var(--text-secondary);
}

.card-dist-count {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-light);
}

/* Legacy - keeping for compatibility */
.card-dist-progress {
    display: none;
}

.card-dist-fill {
    display: none;
}


/* ========================================
   STRATEGY TABLES
   Edit: --table-font, --table-first-col-width
   IMPORTANT: Fixed layout = no scrolling!
   ======================================== */

.strategy-table {
    width: 100%;
    font-size: var(--table-font);
    border-collapse: collapse;
    border: var(--table-border);
    table-layout: fixed;  /* KEEP THIS for no scrolling! */
}

.strategy-table th {
    background-color: var(--bg-secondary);
    padding: var(--table-padding);
    text-align: center;
    font-weight: 700;
    border: 1px solid var(--border-dark);
    font-size: var(--table-header-font);
}

.strategy-table th:first-child {
    width: var(--table-first-col-width);
}

.strategy-table td {
    border: 1px solid var(--border-color);
    padding: var(--table-padding);
    text-align: center;
    font-weight: 700;
    font-size: var(--table-font);
}

.strategy-table td:first-child {
    background-color: var(--bg-secondary);
    font-weight: 800;
    border-right: 2px solid var(--border-dark);
    width: var(--table-first-col-width);
}

/* Action colors - H=Hit, S=Stand, D=Double, P=Split, R=Surrender */
.strategy-table td.action-H {
    background-color: #1e3a8a;
    color: #bfdbfe;
}

.strategy-table td.action-S {
    background-color: #7f1d1d;
    color: #fecaca;
}

.strategy-table td.action-D {
    background-color: #14532d;
    color: #bbf7d0;
}

.strategy-table td.action-P {
    background-color: #713f12;
    color: #fef08a;
}

.strategy-table td.action-R {
    background-color: #581c87;
    color: #e9d5ff;
}

.strategy-table-container {
    width: 100%;
    overflow: visible;  /* ⚠️ CRITICAL: NO SCROLLING ALLOWED - Users must see entire table at all times */
}


/* ========================================
   STATUS MESSAGES (bottom-right notifications)
   ======================================== */

#statusMessage {
    transition: opacity 0.3s;
}

#statusMessage.show {
    opacity: 1;
}

.status-success {
    border-left-color: var(--accent-green);
}

.status-error {
    border-left-color: var(--accent-red);
}

.status-info {
    border-left-color: var(--accent-blue);
}


/* ========================================
   HAND ANALYSIS RESULT
   ======================================== */

#analysisResult .action-H {
    color: #60a5fa;
}

#analysisResult .action-S {
    color: #f87171;
}

#analysisResult .action-D {
    color: #4ade80;
}

#analysisResult .action-P {
    color: var(--accent-yellow);
}

#analysisResult .action-R {
    color: #c084fc;
}


/* ========================================
   LOADING STATE
   ======================================== */

.loading {
    opacity: 0.5;
    pointer-events: none;
}

.strategy-table-loading {
    opacity: 0.6;
    position: relative;
}

.strategy-table-updating {
    animation: pulse-update 0.6s ease-in-out;
}

@keyframes pulse-update {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Highlight cells that deviate from basic strategy */
.strategy-deviation {
    box-shadow: inset 0 0 0 2px rgba(250, 204, 21, 0.5);
    position: relative;
}


/* ========================================
   RESPONSIVE ADJUSTMENTS (Mobile)
   ======================================== */

@media (max-width: 768px) {
    .card-btn {
        font-size: 1.25rem;
        min-height: 60px;
    }
    
    .stat-value {
        font-size: 1.25rem;
    }
    
    .strategy-table {
        font-size: 0.65rem;
    }
    
    .strategy-table th,
    .strategy-table td {
        padding: 0.3rem 0.15rem;
        font-size: 0.65rem;
    }
}


/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes pulse-green {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
        background-color: rgb(34, 197, 94);
    }
}

@keyframes pulse-red {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
        background-color: rgb(239, 68, 68);
    }
}

.pulse-green {
    animation: pulse-green 0.5s ease-in-out;
}

.pulse-red {
    animation: pulse-red 0.5s ease-in-out;
}

.keyboard-hint {
    font-size: 0.75rem;
    color: #6b7280;
    margin-top: 0.5rem;
    text-align: center;
}